Finding the Fourth Proportional to 197,958.60, 296,937.90 and 48,197.70
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Solution
The fourth proportional to 197,958.60, 296,937.90 and 48,197.70 is: 72,296.55
Step by Step Solution
- Step 1: Write the proportion equation
197,958.60 : 296,937.90 = 48,197.70 : x - Step 2: Convert to fraction form
197,958.60/296,937.90 = 48,197.70/x - Step 3: Cross multiply
197,958.60x = 296,937.90 × 48,197.70 - Step 4: Simplify right side
197,958.60x = 14,311,723,822.83 - Step 5: Solve for x
x = 14,311,723,822.83/197,958.60 - Step 6: Final answer
x = 72,296.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.